Hunter MP rotator adjustment using the mp tool for the lawn sprinklers.
The left most side of the arc is indicated by a vertical silver piece on the shaft. Arc adjusted with the circular part and to increase you move it to the right, decrease to the left.
A sprinkler’s radius is adjusted down by using the small tool on the end and turning it to the right. To increase you turn it to the left. With 40 lbs pressure the max radius is 14 feet.
The sprinklers in the front lawn and back are Hunter MP rotator.